package com.gao.spring.annotation;

/**
 * @Projectname SSM
 * @Filename Calculator
 * @Author an
 * @Data 2022/8/2 16:15
 * @Description TODO
 */
public interface Calculator {

        int add(int i, int j);

        int sub(int i, int j);

        int mul(int i, int j);

        int div(int i, int j);

}
